NGW行星齿轮减速器地全参数1适用标准文档2．基本参数（1）公称中心距a及公称传动比i0见表Ⅱ-47、表Ⅱ-48、表Ⅱ-49表Ⅱ-47单级减速器传动比代号1234567891011121314机座号公称传动比i02.83.153.5544.555.66.37.1891011.212.5型号公称中心距a(mm)1NGW115653502NGW216360563NGW317167634NGW418075715NGW519085806NGW6110095907NGW711121061008NGW811251181129NGW9114013212510NGW10116015014011NGW11118017016012NGW121200190180表Ⅱ-48两级减速器/文案大全适用标准文档传动比代号12345678910111213141516171819202122机座号公称传动比i01416182022.4252831.535.5404550566371809010011212514016型号公称中心距a(mm)4NGW4256/8053/8050/8050/7550/715NGW5263/9060/9056/9056/9056/806NGW6271/10067/10063/10063/10063/907NGW7280/11275/11271/11271/11271/1008NGW8290/12585/12580/12580/12580/1129NGW92100/14095/14090/14090/14090/12510NGW102112/160106/160100/160100/160100/14011NGW112125/180118/180112/180112/180112/16012NGW122140/200132/200125/200125/200125/180表Ⅱ-49三级减速器传动比代号1234567891011121314151617181920212机座号公称传动比i018020022425283135404550056063718090100011201250140016001800200055000000型号公称中心距a(mm)7NGW7353/80/11250/80/11250/75/11250/71/11250/71/10650/71/1008NGW8360/90/12556/90/12556/85/12556/80/12556/80/11856/80/1129NGW9367/100/14063/100/14063/95/14063/90/14063/90/13263/90/12510NGW10375/112/16071/112/16071/106/16071/100/16071/100/15071/100/14011NGW11385/125/18080/125/18080/118/18080/112/18080/112/17080/112/16012NGW12395/140/20090/140/20090/132/20090/125/20090/125/19090/125/180(2) 齿轮模数m，见表Ⅱ-50。
文案大全适用标准文档表Ⅱ-50齿轮模数1）1.251.51.7522.252.533.544.55671)这里介绍太阳轮和行星轮资料为20CrMnTi，渗碳淬硬，齿面碍度为50～60HRC，内齿圈资料为40Cr,调质硬度为262～293HB（当传动比i≤4时，齿面采纳氮化，Hv≥360）3）齿形参数：1）齿形角α0=20°；2）齿顶高系数ha*=1.0；3）顶隙c=0.25mm4)齿宽系数ba*=0.445～0.5,ba*=b/a0，b——齿轮宽度5）行星齿轮个数np=34）减速器齿轮的啮合参数见表Ⅱ-51表Ⅱ-51减速器齿轮的啮合参数1）机座号123a0505356566063636771i012.5～98～5.65～2.812.5～98～5.65～2.812.5～98～5.65～2.8文案大全适用标准文档m1.2522.251.52.252.51.52.53a50.553.556.556.56063636771XΣⅠ2.211.451.2831.9271.3471.42.3351.521.37αtⅠ26°26′5″26°23′30″26°06′26°06′26°03′26°31′26°31′30″26°37′12″26°43′30″XΣⅡ-0.567-0.242-0.3670.171-0.318-0.287-0.477-0.195-0.315α17°30′18°28′17°23′20°44′17°55′18°02′18°02′18°47′12″17°39′tⅡ机座号456a07175808085909095100i012.5～98～5.65～2.812.5～98～5.68～2.812.5～98～5.65～2.8m1.7533233.52.53.54a7175.58079.585919194101XΣⅠ2.4311.361.3442.021.5531.141.591.5871.465α26°55′26°23′26°02′26°04′26°27′25°24′25°23′26°52′12″26°45′tⅠXΣⅡ-0.411-0.18-0.3170.245-0.1630-0.563-0.139-0.241α18°16′17°47′17°56′28°59′15″19°03′20°17°12′19°09′18°23′tⅡ机座号789a0100106112112118125125132140i012.5～98～5.65～2.812.5～98～5.65～2.812.5～98～5.65～2.8m2.544.534.55356a101107113113120126126134142XΣⅠ2.211.451.2831.9271.3471.42.3351.521.37α26°26′5″26°23′30″26°06′26°06′26°03′26°31′26°31′30″26°37′12″26°43′30″tⅠXΣⅡ-0.567-0.242-0.3670.171-0.318-0.287-0.477-0.195-0.315αt。